As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK, LE TRANS LIGHT ON AFTER SLAT RETRACTION. FLAPS RECYCLED, LE TRANS LIGHT REMAINED ON. LIGHT WENT OUT WHEN FLAPS WERE RETRACTED AFTER LANDING. CLEANED AND RESEATED THE SLAT ASYMMETRY COMPARATOR. ALSO, CHECKED BOTH SLAT ASYMMETRY BRAKE TRANSDUCER SW AND VALVE FOUND TO BE NORMAL. OPS CHECK NORMAL IAW M/M 27-81-36. FALSE INDICATION.